<?PHP // $Id: pix.php,v 1.16.4.3 2008/11/01 22:28:54 skodak Exp $
	  // This function fetches user pictures from the data directory
	  // Syntax:   pix.php/userid/f1.jpg or pix.php/userid/f2.jpg
	  //	 OR:   ?file=userid/f1.jpg or ?file=userid/f2.jpg

	require_once('../config.php');
	require_once($CFG->libdir.'/filelib.php');

	if (!empty($CFG->forcelogin) and !isloggedin()) {
		// protect images if login required and not logged in;
		// do not use require_login() because it is expensive and not suitable here anyway
		redirect($CFG->pixpath.'/u/f1.png');
	}

	// disable moodle specific debug messages
	disable_debugging();

	$relativepath = get_file_argument('pix.php');

	$args = explode('/', trim($relativepath, '/'));

	if (count($args) == 2) {
		$userid   = (integer)$args[0];
		// do not serve images of deleted users
		if ($user = get_record('user', 'id', $userid, 'deleted', 0, 'picture', 1)) {
			$image	= $args[1];
			$pathname = make_user_directory($userid, true) . "/$image";
			if (file_exists($pathname) and !is_dir($pathname)) {
				send_file($pathname, $image);
			}
		}
	}

	// picture was deleted - use default instead
	redirect($CFG->pixpath.'/u/f1.png');
?>
